modbus serial communication

This is the "PLC wireless communication expert" team to provide users with a Siemens S7-200PLC communication program, the user needs to carry out the Modbus protocol communication between the 9 s7-200, he is not familiar with the communication, in order to deliver the projec

Mycom is a serial communication class and has complete code in the previous article of this blog. (C # Serial Communication Programming (modified ))The following is the source code of the serial communication test program. The myc

This article takes the Visual C + + data collection and the serial communication to measure the application actual combat as the reference tutorialThis article is suitable for VC + + Serial Communication IntroductionFirst, page layout and add control1, install the vs2010.2, create a new MFC project based on VC + + Comm

Serial Communication and serial communication I. Preparations 1. Click here to download java serial communication tools 2. Put RXTXcomm. jar in the % JAVA_HOME % \ jre \ lib \ ext \ directory, and introduce the jar package to the

Winform serial communication card reader and winform Serial Communication The first hardware the boss gave me was a card reader, Let me give it a try, so I checked it online and wrote it, which is quite simple. But then there was another weighbridge serial

In the industrial field by the PLC remote control inverter application is very common, if the trench wiring inconvenience or frequency converter on the mobile device, then the use of wireless communication is the best solution.　　　The benefits of this program are: No operating costs, no card, autonomous group network, distance, can pass through obstacles, bypassing the barrier, wireless transmission distance of more than 3 kilometers.　　　Here we use Sie

Summary of Serial Communication Knowledge in mobile development and summary of Serial Communication Knowledge Summary of mobile development Serial Communication Knowledge the original APP only displays append in the text box whe

Serial communication refers to the serial port bitwise (BIT) Send and receive bytes. Although it is slower than parallel traffic by byte (byte), the serial port can receive data with another line while sending data using one line. Serial

This article takes the Visual C + + data acquisition and the serial communication measurement and control application actual combat as the reference tutorialThis article is suitable for VC + + Serial Communication IntroductionOne, page layout and add controls1, install the vs2010.2, create a new MFC project based on VC

LabVIEW PC and serial communication, labview Serial CommunicationOrigin When I was a freshman, the school opened a public elective course called LabVIEW programming. At that time, I certainly didn't know what LabVIEW was, but I still chose it. The instructor is an associate professor at the School of mechanical engineering. He showed us several projects using Lab

Winform serial communication platform, winform Serial Communication Next to the last card reading, you need to make a weighbridge read. The following figure shows how to read the lbs. The weighbridge always sends data to the serial port, so it is necessary to intercept the d

Multi-machine serial communication and machine serial communication★Devices Used Three 80c51 single-chip microcomputer are used, in which U1 controls the other two slave machines U2 and u3. Each single-chip microcomputer has a digital tube to display data. The host has two keys, KEY_1 and KEY_2, respectively, to contro

Java serial communication and java serial communication instances Perform the following operations on a 64-bit win8 system: 1. code compilation Two Connection library files, rxtxSerial. dll and rxtxParallel. dll, must be downloaded for serial

The Mycom is a serial communication class. The following is the serial communication test program source code, will mycom class in this project, you can achieve a simple serial communication, I hope readers through this program t

Http://blog.chinaaet.com/detail/25424.html Continue to learn the serial communication of ADSP-BF533 today, UART (Universal Asynchronous Receiver ER/transmitter (UART) Port) interface, is a full duplex universal serial interface, composed of RX and TX two lines, the extended RS232 chip can communicate directly with computer s